asm.h revision 1.7 1 1.7 cgd /* $NetBSD: asm.h,v 1.7 1994/10/27 04:15:56 cgd Exp $ */
2 1.7 cgd
3 1.1 mycroft /*-
4 1.1 mycroft * Copyright (c) 1990 The Regents of the University of California.
5 1.1 mycroft * All rights reserved.
6 1.1 mycroft *
7 1.1 mycroft * This code is derived from software contributed to Berkeley by
8 1.1 mycroft * William Jolitz.
9 1.1 mycroft *
10 1.1 mycroft * Redistribution and use in source and binary forms, with or without
11 1.1 mycroft * modification, are permitted provided that the following conditions
12 1.1 mycroft * are met:
13 1.1 mycroft * 1. Redistributions of source code must retain the above copyright
14 1.1 mycroft * notice, this list of conditions and the following disclaimer.
15 1.1 mycroft * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 mycroft * notice, this list of conditions and the following disclaimer in the
17 1.1 mycroft * documentation and/or other materials provided with the distribution.
18 1.1 mycroft * 3. All advertising materials mentioning features or use of this software
19 1.1 mycroft * must display the following acknowledgement:
20 1.1 mycroft * This product includes software developed by the University of
21 1.1 mycroft * California, Berkeley and its contributors.
22 1.1 mycroft * 4. Neither the name of the University nor the names of its contributors
23 1.1 mycroft * may be used to endorse or promote products derived from this software
24 1.1 mycroft * without specific prior written permission.
25 1.1 mycroft *
26 1.1 mycroft * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 1.1 mycroft * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 1.1 mycroft * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 1.1 mycroft * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 1.1 mycroft * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 1.1 mycroft * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 1.1 mycroft * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 1.1 mycroft * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 1.1 mycroft * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 1.1 mycroft * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 1.1 mycroft * SUCH DAMAGE.
37 1.1 mycroft *
38 1.7 cgd * @(#)asm.h 5.5 (Berkeley) 5/7/91
39 1.1 mycroft */
40 1.1 mycroft
41 1.3 mycroft #ifndef _I386_ASM_H_
42 1.3 mycroft #define _I386_ASM_H_
43 1.1 mycroft
44 1.4 pk #ifdef PIC
45 1.4 pk #define PIC_PROLOGUE \
46 1.4 pk pushl %ebx; \
47 1.4 pk call 1f; \
48 1.4 pk 1: \
49 1.4 pk popl %ebx; \
50 1.4 pk addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
51 1.4 pk #define PIC_EPILOGUE \
52 1.4 pk popl %ebx
53 1.4 pk #define PIC_PLT(x) x@PLT
54 1.4 pk #define PIC_GOT(x) x@GOT(%ebx)
55 1.4 pk #define PIC_GOTOFF(x) x@GOTOFF(%ebx)
56 1.4 pk #else
57 1.4 pk #define PIC_PROLOGUE
58 1.4 pk #define PIC_EPILOGUE
59 1.4 pk #define PIC_PLT(x) x
60 1.4 pk #define PIC_GOT(x) x
61 1.4 pk #define PIC_GOTOFF(x) x
62 1.4 pk #endif
63 1.4 pk
64 1.6 jtc #ifdef __STDC__
65 1.6 jtc # define _C_LABEL(x) _ ## x
66 1.1 mycroft #else
67 1.6 jtc # define _C_LABEL(x) _/**/x
68 1.1 mycroft #endif
69 1.6 jtc #define _ASM_LABEL(x) x
70 1.6 jtc
71 1.6 jtc #define _ENTRY(x) \
72 1.6 jtc .text; .align 2; .globl x; .type x,@function; x:
73 1.1 mycroft
74 1.6 jtc #ifdef PROF
75 1.6 jtc # define _PROF_PROLOGUE \
76 1.6 jtc pushl %ebp; movl %esp,%ebp; call PIC_PLT(mcount); popl %ebp
77 1.1 mycroft #else
78 1.6 jtc # define _PROF_PROLOGUE
79 1.1 mycroft #endif
80 1.1 mycroft
81 1.6 jtc #define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE
82 1.6 jtc #define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE
83 1.1 mycroft
84 1.1 mycroft #define ASMSTR .asciz
85 1.5 jtc
86 1.5 jtc #define RCSID(x) .text; .asciz x
87 1.1 mycroft
88 1.3 mycroft #endif /* !_I386_ASM_H_ */
89